/*
* BabelTrace - CTF Writer: Clock
*
- * Copyright 2013 EfficiOS Inc.
+ * Copyright 2013, 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com>
*
* Author: Jérémie Galarneau <jeremie.galarneau@efficios.com>
*
* http://www.efficios.com/ctf
*/
-#include <stdint.h>
+#include <babeltrace/ctf-ir/clock.h>
#ifdef __cplusplus
extern "C" {
#endif
-struct bt_ctf_clock;
-
-/*
- * bt_ctf_clock_create: create a clock.
- *
- * Allocate a new clock setting its reference count to 1.
- *
- * @param name Name of the clock (will be copied).
- *
- * Returns an allocated clock on success, NULL on error.
- */
-extern struct bt_ctf_clock *bt_ctf_clock_create(const char *name);
-
-/*
- * bt_ctf_clock_set_description: set a clock's description.
- *
- * Set the clock's description. The description appears in the clock's TSDL
- * meta-data.
- *
- * @param clock Clock instance.
- * @param desc Description of the clock.
- *
- * Returns 0 on success, a negative value on error.
- */
-extern int bt_ctf_clock_set_description(struct bt_ctf_clock *clock,
- const char *desc);
-
-/*
- * bt_ctf_clock_set_frequency: set a clock's frequency.
- *
- * Set the clock's frequency (Hz).
- *
- * @param clock Clock instance.
- * @param freq Clock's frequency in Hz, defaults to 1 000 000 000 Hz (1ns).
- *
- * Returns 0 on success, a negative value on error.
- */
-extern int bt_ctf_clock_set_frequency(struct bt_ctf_clock *clock,
- uint64_t freq);
-
-/*
- * bt_ctf_clock_set_precision: set a clock's precision.
- *
- * Set the clock's precision.
- *
- * @param clock Clock instance.
- * @param precision Clock's precision in clock ticks, defaults to 1.
- *
- * Returns 0 on success, a negative value on error.
- */
-extern int bt_ctf_clock_set_precision(struct bt_ctf_clock *clock,
- uint64_t precision);
-
-/*
- * bt_ctf_clock_set_offset_s: set a clock's offset in seconds.
- *
- * Set the clock's offset in seconds from POSIX.1 Epoch, 1970-01-01,
- * defaults to 0.
- *
- * @param clock Clock instance.
- * @param offset_s Clock's offset in seconds, defaults to 0.
- *
- * Returns 0 on success, a negative value on error.
- */
-extern int bt_ctf_clock_set_offset_s(struct bt_ctf_clock *clock,
- uint64_t offset_s);
-
-
-/*
- * bt_ctf_clock_set_offset: set a clock's offset in ticks.
- *
- * Set the clock's offset in ticks from Epoch + offset_s.
- *
- * @param clock Clock instance.
- * @param offset Clock's offset in ticks from Epoch + offset_s, defaults to 0.
- *
- * Returns 0 on success, a negative value on error.
- */
-extern int bt_ctf_clock_set_offset(struct bt_ctf_clock *clock,
- uint64_t offset);
-
-/*
- * bt_ctf_clock_set_is_absolute: set a clock's absolute attribute.
- *
- * A clock is absolute if the clock is a global reference across the trace's
- * other clocks.
- *
- * @param clock Clock instance.
- * @param is_absolute Clock's absolute attribute, defaults to FALSE.
- *
- * Returns 0 on success, a negative value on error.
- */
-extern int bt_ctf_clock_set_is_absolute(struct bt_ctf_clock *clock,
- int is_absolute);
+extern int bt_ctf_clock_get_time(struct bt_ctf_clock *clock, int64_t *time);
/*
* bt_ctf_clock_set_time: set a clock's current time value.
*
* Set the current time in nanoseconds since the clock's origin (offset and
- * offset_s attributes). The clock's value will be sampled as events are
- * appended to a stream.
+ * offset_s attributes). Defaults to 0.
*
* Returns 0 on success, a negative value on error.
*/
-extern int bt_ctf_clock_set_time(struct bt_ctf_clock *clock, uint64_t time);
+extern int bt_ctf_clock_set_time(struct bt_ctf_clock *clock,
+ int64_t time);
+
+extern uint64_t bt_ctf_clock_get_value(struct bt_ctf_clock *clock);
+
+extern int bt_ctf_clock_set_value(struct bt_ctf_clock *clock,
+ uint64_t value);
/*
* bt_ctf_clock_get and bt_ctf_clock_put: increment and decrement the
* refcount of the clock
*
+ * You may also use bt_ctf_get() and bt_ctf_put() with clock objects.
+ *
* These functions ensure that the clock won't be destroyed when it
* is in use. The same number of get and put (plus one extra put to
* release the initial reference done at creation) has to be done to